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Wilkins 974-18 Relief Valve Seat for 1-1/4" to 2"

Brand: Zurn Industries, LLC
Save 25%
$53.72
$40.29
SKU 974-18

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Genuine Wilkins replacement relief valve seat (P/N 974-18) engineered for precise sealing and long service in Wilkins 975 series reduced pressure assemblies.

  • OEM part number: 974-18 - fits Wilkins 975, 975XL, 975XL2 models.
  • Size compatibility: 1-1/4" to 2" reduced pressure assemblies.
  • Material: copper seat, designed to restore reliable relief valve sealing.
  • Use: ideal for field repairs and maintenance to prevent leaks and ensure compliance.
  • Availability: sold as seat; O-ring commonly P/N 029N or available in repair kits.
  • Seat removal: a seat removal tool is typically required; compatible tools include HD-975TOOL or 974-SeatTool (sold separately).
  • Repair kit option: available in RK114-975XLSK repair kit that includes 974-18 seat and O-ring P/N 029N for complete relief valve servicing.

Confirm assembly model and size before ordering; contact customer support if you need assistance selecting the correct part or a repair kit.

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Frequently Asked Questions

What Wilkins models does part 974-18 fit specifically?
Fits Wilkins 975, 975XL, and 975XL2 reduced pressure assemblies sized 1-1/4" to 2".
What material is the 974-18 relief valve seat made of?
Listed as a copper relief valve seat (CU); genuine OEM replacement for Wilkins 975 series.
Is the O-ring included with the 974-18 replacement seat?
Often sold as seat only. Some repair kits include the O-ring (common P/N 029N); O-ring may be sold separately.

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